2019977570295

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{115990673}}^1$

素因数の和:115990733

約数の個数: 40

約数和(自身を含む): 3705206090256

約数和(自身を除く): 1685228519961

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 115990673, 347972019, 579953365, 1043916057, 1739860095, 3131748171, 4987598939, 5219580285, 9395244513, 14962796817, 15658740855, 24937994695, 44888390451, 46976222565, 74813984085, 134665171353, 224441952255, 403995514059, 673325856765, 2019977570295]

約数ペア:

[(1, 2019977570295), (3, 673325856765), (5, 403995514059), (9, 224441952255), (15, 134665171353), (27, 74813984085), (43, 46976222565), (45, 44888390451), (81, 24937994695), (129, 15658740855), (135, 14962796817), (215, 9395244513), (387, 5219580285), (405, 4987598939), (645, 3131748171), (1161, 1739860095), (1935, 1043916057), (3483, 579953365), (5805, 347972019), (17415, 115990673)]